Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e8cffe2c92295d534d88a48a61daae3ce4827aeefae51514ef5a1a0397aa8b9:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^